Home / 8,190.23-11,302.55-4,787.43

Finding the Fourth Proportional to 8,190.23, 11,302.55 and 4,787.43

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Solution

The fourth proportional to 8,190.23, 11,302.55 and 4,787.43 is: 6,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.23 : 11,302.55 = 4,787.43 : x
  2. Step 2: Convert to fraction form
    8,190.23/11,302.55 = 4,787.43/x
  3. Step 3: Cross multiply
    8,190.23x = 11,302.55 × 4,787.43
  4. Step 4: Simplify right side
    8,190.23x = 54,110,143.01
  5. Step 5: Solve for x
    x = 54,110,143.01/8,190.23
  6. Step 6: Final answer
    x = 6,606.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.